.title, .date, .pic, .pic-desc{text-align: center;}
.text pre{text-indent: 2em;}
.sub-title h2{font-size: 18px;font-weight: bold;}
.text pre{
    font-size: 18px; font-weight: normal;background: transparent;word-break: break-word;
}
.segment{min-height: 40px;border: 1px solid #ddd;margin-bottom: 5px; position: relative;padding: 5px 10px;}
.segment pre {padding:0;border: none; }
.segment .delete-btn{display:none;position: absolute;right:0; top:0;}
.segment:hover .delete-btn{display:inline-block;}
.segment .insert-btn{position: absolute;    top: -20px;    left: -80px;}